form bean and session attribute

From:

Thufir Hawat <hawat.thufir@gmail.com>

Newsgroups:

comp.lang.java.help

Date:

Sun, 03 May 2009 23:38:15 GMT

Message-ID:

<HVpLl.6085$0S.1400@newsfe22.iad>

Is two.jsp required? I'd rather combine it with one.jsp if possible.
Also, does it make sense to add the bean to the session for the servlet?

thufir@arrakis:~$
thufir@arrakis:~$
thufir@arrakis:~$ cat NetBeansProjects/rss-feeds/web/one.jsp
<%@page contentType="text/html" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">

<%@ page isELIgnored ="false" %>
<%@ page session="true"%>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>

<HTML>
    <BODY>
        <FORM METHOD="POST" ACTION="two.jsp">
            <center>
                <table>

                    <tr>
                        <td>feed:</td>
                        <td><INPUT TYPE=TEXT NAME=url SIZE="55"></td>
                    </tr>
                    <tr>
                        <td><INPUT TYPE="submit" value="Submit"/></td>
                    </tr>
                </table>
            </center>
        </FORM>
    </BODY>
</HTML>
thufir@arrakis:~$
thufir@arrakis:~$ cat NetBeansProjects/rss-feeds/web/two.jsp
<%@page contentType="text/html" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">

<%@ page isELIgnored ="false" %>
<%@ page session="true"%>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>

<jsp:useBean id="feed" class="thufir.Feed" scope="session"/>
<jsp:setProperty name="feed" property="*"/>

<jsp:forward page="/FeedServlet" />

thufir@arrakis:~$
thufir@arrakis:~$ cat
NetBeansProjects/rss-feeds/src/java/thufir/FeedServlet.java

package thufir;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class FeedServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
    * Processes requests for both HTTP <code>GET</code> and
<code>POST</code> methods.
    * @param request servlet request
    * @param response servlet response
    */
    protected void processRequest(HttpServletRequest request,
HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();

        //FeedFormBean ffb = (FeedFormBean)
request.getAttribute("feed");
        Feed ffb = (Feed) request.getSession().getAttribute("feed");
        //Feed ffb = (Feed) request.getAttribute("feed");

        try {
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet FeedServlet</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet FeedServlet at " +
request.getContextPath () + "</h1>");
            out.println(ffb);
            out.println("</body>");
            out.println("</html>");
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods.
Click on the + sign on the left to edit the code.">
    /**
    * Handles the HTTP <code>GET</code> method.
    * @param request servlet request
    * @param response servlet response
    */
    protected void doGet(HttpServletRequest request, HttpServletResponse
response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
    * Handles the HTTP <code>POST</code> method.
    * @param request servlet request
    * @param response servlet response
    */
    protected void doPost(HttpServletRequest request,
HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
    * Returns a short description of the servlet.
    */
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
thufir@arrakis:~$
thufir@arrakis:~$

thanks,

Thufir